But there is a big difference between being obliged to purchase local heat and certain house types (semi-detached houses) having to share a heating system.
Nope, socio-politically we have to stop simply burning or wasting fossil fuels or resources. And use the existing resources more efficiently.
Nobody wants, for example, nuclear power, so it has to be renewables. But nobody wants power lines, biogas plants, or wind turbines near their own property.
also chose gas because it is the cheapest way for him to heat his place.
Good for him; but socio-politically it is not really the right way to successfully implement the energy transition.
I also see the urbanization of agricultural and green spaces critically. Of course, everyone wants their house with a garden. But soil sealing is significantly greater than if modern urban development is practiced.